I learning lot of javascript stuff. I'm not understand what this syntax mean
Array.from(obj[, mapFn, thisArg])
You see that in first parameter
obj[
What is mean?
Why this square bracket started?
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Halffunction Nobot
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5That's *documentation convention*, not Javascript syntax – CertainPerformance Apr 17 '20 at 12:49
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1The function `from` on object `Array` has three parameters. The 2nd and 3rd parameters are optional. – Ben Aston Apr 17 '20 at 12:52
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Thank you now I understood. Thank you for helping me. – Halffunction Nobot Apr 18 '20 at 04:38